﻿using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApp1
{
    class @public
    {
        public abstract class S1
        {
            public readonly int id;
            public static int id1;
            private readonly int ip;
            private static int ip1;
            internal readonly int ic;
            internal static int ic1;
            protected readonly int ib;
            protected static int ib1;

        }
        public sealed class S2
        {
            public readonly int id;
            public static int id1;
            private static int ip;
            private readonly int ip1;
            internal static int ic;
            internal readonly int ic1;
            protected readonly int ib;
            protected static int ib1;
        }
        public static class S3
        {
            public readonly static int id;
            public static int id1;
            private static int ip;
            private readonly static int ip1;
            internal static int ic;
            internal readonly static int ic1;
        }
    }
}
